20070747775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{617}}^1\times {\mathrm{991}}^1$

素因数の和:1732

約数の個数: 48

約数和(自身を含む): 27138763008

約数和(自身を除く): 7068015233

約数列:

[1, 5, 13, 25, 65, 101, 325, 505, 617, 991, 1313, 2525, 3085, 4955, 6565, 8021, 12883, 15425, 24775, 32825, 40105, 62317, 64415, 100091, 200525, 311585, 322075, 500455, 611447, 810121, 1301183, 1557925, 2502275, 3057235, 4050605, 6505915, 7948811, 15286175, 20253025, 32529575, 39744055, 61756147, 198720275, 308780735, 802829911, 1543903675, 4014149555, 20070747775]

約数ペア:

[(1, 20070747775), (5, 4014149555), (13, 1543903675), (25, 802829911), (65, 308780735), (101, 198720275), (325, 61756147), (505, 39744055), (617, 32529575), (991, 20253025), (1313, 15286175), (2525, 7948811), (3085, 6505915), (4955, 4050605), (6565, 3057235), (8021, 2502275), (12883, 1557925), (15425, 1301183), (24775, 810121), (32825, 611447), (40105, 500455), (62317, 322075), (64415, 311585), (100091, 200525)]